Hi, On 6/11/23 9:25 PM, Michael Roth wrote: > Currently CONFIG_HAS_CC_PLATFORM is a prereq for building anything in > arch/x86/coco, but that is generally only applicable for guest support.> > For SEV-SNP, helpers related purely to host support will also live in > arch/x86/coco. To allow for CoCo-related host support code in > arch/x86/coco, move that check down into the Makefile and check for it > specifically when needed. I think CONFIG_HAS_CC_PLATFORM is not meant to be guest specific (otherwise, we could have named it CONFIG_HAS_CC_GUEST). Will it create any issue if we enable it in host? > > Cc: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx> > Suggested-by: Tom Lendacky <thomas.lendacky@xxxxxxx> > Signed-off-by: Michael Roth <michael.roth@xxxxxxx> > --- > arch/x86/Kbuild | 2 +- > arch/x86/coco/Makefile | 2 +- > 2 files changed, 2 insertions(+), 2 deletions(-) > > diff --git a/arch/x86/Kbuild b/arch/x86/Kbuild > index 5a83da703e87..1889cef48b58 100644 > --- a/arch/x86/Kbuild > +++ b/arch/x86/Kbuild > @@ -1,5 +1,5 @@ > # SPDX-License-Identifier: GPL-2.0 > -obj-$(CONFIG_ARCH_HAS_CC_PLATFORM) += coco/ > +obj-y += coco/ > > obj-y += entry/ > > diff --git a/arch/x86/coco/Makefile b/arch/x86/coco/Makefile > index c816acf78b6a..6aa52e719bf5 100644 > --- a/arch/x86/coco/Makefile > +++ b/arch/x86/coco/Makefile > @@ -3,6 +3,6 @@ CFLAGS_REMOVE_core.o = -pg > KASAN_SANITIZE_core.o := n > CFLAGS_core.o += -fno-stack-protector > > -obj-y += core.o > +obj-$(CONFIG_ARCH_HAS_CC_PLATFORM) += core.o > > obj-$(CONFIG_INTEL_TDX_GUEST) += tdx/ -- Sathyanarayanan Kuppuswamy Linux Kernel Developer
